[q] Re quadra 840 AV boot conditions

[Gianlorenzo Masini]

Quite often 840 AV behave very strangely at boot: led and power supply 
turn on (and, of course, hard disk start spinning) however boot is not 
initiated. I have experienced that this condition can last for up to 15 
minutes before boot starts regularly ! In general, this strange 
condition occurs when the computer has been disconnected from mains for 
a certain time (regardless the status of the PRAM battery, the presence 
of NU-BUS cards, keyboard etc.). My guess is that some 'access 
conflict' occurs between the 68040 and the DSP preventing the first 
from taking control and start boot since I have never noticed a similar 
behavior on the otherwise similar Q800.

My suggestion is to try to turn on the computer and wait... If it will 
start then buy it: it is a fantastic machine (especially when equipped 
with the Spigot power AV card for full frame full speed video 
acquisition on a 40 MHz machine...)

Gianlorenzo

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